diff --git a/configure.ac b/configure.ac
index f06e8e9b76905f5eec42cfeb18ac950714ed20db..1beb4b1951c3b0a06c479de5d20805a95b509721 100644
--- a/configure.ac
+++ b/configure.ac
@@ -11,10 +11,10 @@ AC_CONFIG_AUX_DIR([.])
 AC_CONFIG_HEADER([config.h])
 
 LIBNETTLE_MAJOR=4
-LIBNETTLE_MINOR=0
+LIBNETTLE_MINOR=1
 
 LIBHOGWEED_MAJOR=2
-LIBHOGWEED_MINOR=0
+LIBHOGWEED_MINOR=1
 
 AC_CANONICAL_HOST